Watchdog can choose: 1. Dobbin is a lively, alert, firm, alert, brave, loyal and obedient dog. He looks a little fierce, but he is actually very suitable for housekeeping, and he is very obedient and smart. Du Bin is all military dogs and police dogs.

2. Rottweiler, calm and affectionate, can also be a family companion dog. He is absolutely loyal to his master, good at distinguishing good from evil, obeying orders and obeying his master's command. But one thing, puppies must be strictly trained, otherwise it will be difficult for their owners to control them as adults.

3. German shepherd, that is, black-backed, German shepherd is docile, obedient, sensitive and alert. As a military dog and a police dog, he is certainly no stranger. He has a very stable personality. He will never bite when he is well trained, but he will lay down his life to protect his master when something happens.

4. My Su Mu is not only smart and lively, but also absolutely loyal to her master. He is easy to get close to both adults and children, but he is wary of strangers and is good at housekeeping.

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